Any Chevy engine, if it's well-modified or just slightly warmed-over, requires a good set of valve seals. Originally, a small rubber O-ring, fitted in the second valve stem groove, served as the only ...

As the old saying goes, an ounce of prevention is worth a pound of cure. This is especially true when replacing a thermostatic expansion valve (TXV). Always take the necessary precautions when ...

A thermostatic shower-valve controls the flow of hot and cold water to your shower, protecting you against scalding burns when there is a sudden change in the water-supply pressure or temperature. If ...

During maintenance of steam systems, the insulation that covers pipes, valves, and fittings is often damaged or removed and not replaced. Pipes, valves, and fittings that are not insulated can be ...